The luteal phase of the menstrual cycle is about the same length in most individuals (mean 14/13 days, SD 1.41 days) whereas the follicular phase tends to show much more variability (log-normally distributed with 95% of individuals having follicular phases between 10.3 and 16.3 days).he length of a woman's menstrual cycle typically varies somewhat, with some shorter cycles and some longer cycles. A woman who experiences variations of less than eight days between her longest cycles and shortest cycles is considered to have regular menstrual cycles.
Iambic pentameter is a commonly used type of metrical line in traditional English poetry and verse drama. The term describes the rhythm that the words establish in that line, which is measured in small groups of syllables called  feet . line of iambic pentameter is made up of five such pairs of short/long, or unstressed/stressed, syllables. Iambic rhythms come relatively naturally in English.
da DUM | da DUM | da DUM | da DUM | da DUM. Thatâs the simplest way to define iambic pentameter. Great examples of a iambic pentameter poems would be many of Shakespeareâs sonnets. He often wrote sonnets and whole lines of dialogue from plays in this meter.etâs define some terms to help explain this one. Meter refers to the pattern of syllables in a line of poetry. The most basic unit of measure in a poem is the syllable and the pattern of syllables in a line, from stressed to unstressed or vice versa.